Specifications

Inputs Four
Type Electronically balanced (pin 2 hot)
Impedance (ohm) 20k
Common Mode Rejection >80dB @ 1 kHz

Outputs Four    
Type Electronically balanced (pin 2 hot)
Maximum Level +21dBu into >2kW

Performance    
Frequency response (20Hz to 20kHz) ±0.3 dB with all filters and EQ flat
Distortion (THD+N) @ +4dBu (20Hz to 20 kHz) <0.01%
Dynamic range (20Hz-20kHz unweighted) 115 dB

Processing (Per Channel)    
Input Gain +12dB to 40dB in 0.1dB steps plus Off
Delay 0-1 second (342.25 m or 33310 at 20∞C in 20.8us steps)

Filters 4 Filters (max)
Frequency range: 20Hz to 20kHz in 21 steps per octave
Filter types: Notch, Low Pass, High Pass, High Shelf, Low Shelf, Notch Filter Q: 1.0 to 150 in steps of 1.0
Low Pass Filter Responses:
24 dB/Oct Peaking, 12 dB/Oct Peaking
LPF (6dB/Oct, 12 dB/Oct, 18 dB/Oct, 24 dB/Oct,
36 dB/Oct, 48 dB/Oct)
Peaking filter gain: 0dB to +6dB in 0.1 dB steps
High Pass Filter
24 dB/Oct Peaking, 12 dB/Oct Peaking
HPF (6dB/Oct, 12 dB/Oct, 18 dB/Oct, 24 dB/Oct,
36 dB/Oct, 48 dB/Oct)
Peaking filter gain: 0dB to +6dB in 0.1 dB steps
High Shelf Filter
Slope: 6dB/Oct, 12 dB/Oct
Gain: ±12dB in 0.1 dB steps
Low Shelf Filter
Slope: 6dB/Oct, 12 dB/Oct
Gain: ±12dB in 0.1 dB steps

Dynamic EQ 2 Bands
Frequency range: 20Hz to 20kHz in 21 steps per octave
Parametric EQ Q: 0.4 to 20 in steps of 0.1
Parametric EQ Responses: Proportional, Constant, Symmetrical
High Shelf Slope: 6dB/Oct Lo-Shelf, 12 dB/Oct,
Low Shelf Slope: 6dB/Oct, 12 dB/Oct
Hi-Level Threshold: +21dBu to 10dBu in 0.1dB steps
Hi-Level Gain: ±12dB in 0.1 dB steps
Lo-Level Threshold: +21dBu to 10dBu in 0.1dB steps
Lo-Level Gain: ±12dB in 0.1 dB steps
Attack: 40us to 1ms in 20us steps, 1ms to 100ms in 1 ms steps
Release: 10 ms to 2000 ms in 10 ms steps

Parametric EQ 12 Bands (max)    
Frequency range: 20Hz to 20kHz in 21 steps per octave
Q: 0.4 to 20 in steps of 0.1
Responses: Proportional, Constant, Symmetrical

Graphic EQ 31 Bands On BS EN ISO 266:1997 standard frequencies    
Gain: ±12dB in 0.1 dB steps
Responses: Proportional, Constant, Symmetrical, DN27, DN360
Power Requirements
Voltage 90 V to 250 V a.c. 50/60 Hz
Consumption <40VA

Dimensions

Width 483 mm (19inch)
Height 44 mm (3.5 inch) 2RU High
Depth 287 mm (12 inch)

Terminations
Audio inputs/outputs 3-pin XLR
RS-485 inputs/outputs 3-pin XLR remote control (Master DN9340 and PC)
RS-232 8-pin Mini-DIN socket remote control (Master DN9340 and PC) and download of software updates and preset memories.
Relay Contact Closure Port 9-pin D-type socket
Power 3-pin IEC